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44 3 44 4 44 5 44 6 44 7 44 8 44 9 45 0 45 1 45 2 45 3 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid